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J Pediatr Gastroenterol Nutr. 1990 Aug;11(2):215-20.

Serum antibodies to dietary antigens: a prospective study of the diagnostic usefulness in celiac disease of children.

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1
Institute of Pathology, University of Oslo, Norway.

Abstract

We examined 1,541 consecutive serum samples from 707 children with suspected food intolerance and 32 with treated celiac disease (CD) for IgG and IgA antibody reactivities to antigens from gluten, egg, and cow's milk by an enzyme-linked immunosorbent assay (ELISA). Samples from 72 patients showed increased IgA and/or IgG reactivity to gluten antigens; four were known CD patients not complying with a gluten-free diet, 13 were suspected CD patients challenged with gluten, and 30 most likely had CD as suggested by small intestinal villous atrophy and histological and/or clinical improvement on a gluten-free diet. The remainder with increased antigluten activity had other disorders that might have affected mucosal permeability. Nevertheless, the median IgA reactivity to gluten was significantly higher in the CD group, and the probability for CD increased from 25 to 100% when this reactivity was above 2.4 optical density (OD) units in our ELISA. Sixteen CD patients (but none of those without CD) had IgA reactivity to gluten higher than 2.4 OD units. We conclude that ELISA determinations of levels of serum antibodies reacting to dietary antigens is a valuable adjunct in the diagnosis of CD in children.

PMID:
2395062
[Indexed for MEDLINE]

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